<template>
  <div>
    <!-- <goods-list 属性="值"></goods-list> -->
    <!-- 属性不加 冒号，比如 info="越吃越香" ，表示就是传递 ”越吃越香” 这四个字 -->
    <!-- 属性加冒号，比如 :price="price" ，表示 传递的是 price的值。真正传递的是 price="4" -->
    <!-- <goods-list :goodsname="goodsname" :price="price" info="越吃越香"></goods-list> -->

    <goods-list 
      v-for="item in list" 
      :key="item.id"
      :id="item.id"
      :goodsname="item.pname"
      :price="item.price"
      :info="item.info"
      @rel='rely'
    ></goods-list>
  </div>
</template>

<script>
import GoodsList from '@/components/GoodsList.vue'
export default {
  data() {
    return {
      // goodsname: '大大泡泡糖',
      // price: 4,
      list: [
          { id: 101, pname: '超级无敌棒棒糖', price: 15, info: '好吃，再来一根' },
          { id: 171, pname: '超级解渴水果茶', price: 80, info: '好甜，真好喝' },
          { id: 191, pname: '超级好吃大鸡腿', price: 60, info: '可口，下饭~' }
        ]
    }
  },
  components: {
    GoodsList
  },
  methods : {
    rely( value , id ) {
      // console.log(value , id);
     let res = this.list.find( item => item.id === id )

     res.price -= value
     
    }
  }
}
</script>
